basic-GUI-calculator/calculator.py at main · elaherjb/basic-GUI-calculator · GitHub

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import tkinter as tk

def calculater(oper):
    try:
        num1 = float(entry_num1.get())
        num2 = float(entry_num2.get())
    except ValueError:
        lbl_result.config(text="Invalid Input!", fg="#ff4d4d")
        return

    result = None

    if oper == '+':
        result = num1 + num2
    elif oper == '-':
        result = num1 - num2
    elif oper == '*':
        result = num1 * num2
    elif oper == '/':
        if num2 != 0:
            result = num1 / num2
        else:
            lbl_result.config(text="Error: Zero Division", fg="#ff4d4d")
            return
    elif oper == '**':
        result = num1 ** num2
    elif oper == '%':
        if num2 != 0:
            result = num1 % num2
        else:
            lbl_result.config(text="Error: Zero Modulus!", fg="#ff4d4d")
            return

    if result is not None:
        if result == int(result):
            result = int(result)
        lbl_result.config(text=f"Result: {result}", fg="#ff69b4")


def clear_f():
    entry_num1.delete(0, tk.END)
    entry_num2.delete(0, tk.END)
    lbl_result.config(text="Result: -", fg="#ffffff")


window = tk.Tk()
window.title("Calculator")
window.geometry("320x420")
window.configure(bg="#121212")
window.resizable(False, False)

tk.Label(window, text="First Number:", bg="#121212", fg="#ff69b4", font=("Helvetica", 10, "bold")).pack(pady=(20, 2))
entry_num1 = tk.Entry(window, font=("Helvetica", 11), justify="center", bg="#1e1e1e", fg="#ffffff", insertbackground="white", bd=1, relief="solid")
entry_num1.pack(ipady=4, padx=20)

tk.Label(window, text="Second Number:", bg="#121212", fg="#ff69b4", font=("Helvetica", 10, "bold")).pack(pady=(12, 2))
entry_num2 = tk.Entry(window, font=("Helvetica", 11), justify="center", bg="#1e1e1e", fg="#ffffff", insertbackground="white", bd=1, relief="solid")
entry_num2.pack(ipady=4, padx=20)

frame_buttons = tk.Frame(window, bg="#121212")
frame_buttons.pack(pady=20)

operators = [
    ('+', '+'), ('-', '-'), ('*', '*'),
    ('/', '/'), ('**', '**'), ('%', '%')
]

for i, (text, oper) in enumerate(operators):
    row = i // 3
    col = i % 3
    btn = tk.Button(
        frame_buttons,
        text=text,
        width=5,
        height=1,
        font=("Helvetica", 10, "bold"),
        bg="#ff69b4",
        fg="#121212",
        activebackground="#ff1493",
        activeforeground="#ffffff",
        bd=0,
        cursor="hand2",
        command=lambda op=oper: calculater(op)
    )
    btn.grid(row=row, column=col, padx=6, pady=6)

btn_clear = tk.Button(
    window,
    text="Clear",
    width=18,
    bg="#333333",
    fg="#ff69b4",
    font=("Helvetica", 9, "bold"),
    activebackground="#ff4d4d",
    activeforeground="#ffffff",
    bd=0,
    cursor="hand2",
    command=clear_f
)
btn_clear.pack(pady=5)

lbl_result = tk.Label(
    window,
    text="Result: -",
    bg="#121212",
    fg="#ffffff",
    font=("Helvetica", 12, "bold")
)
lbl_result.pack(pady=15)

window.mainloop()